diff --git a/examples/mala_asr_slidespeech/utils/compute_wer_details.py b/examples/mala_asr_slidespeech/utils/compute_wer_details.py
new file mode 100644
index 00000000..73a021a8
--- /dev/null
+++ b/examples/mala_asr_slidespeech/utils/compute_wer_details.py
@@ -0,0 +1,760 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+
+from enum import Enum
+import re, sys, unicodedata
+import codecs
+import argparse
+from tqdm import tqdm
+import os
+
+remove_tag = False
+spacelist = [" ", "\t", "\r", "\n"]
+puncts = [
+    "!",
+    ",",
+    "?",
+    "、",
+    "。",
+    "！",
+    "，",
+    "；",
+    "？",
+    "：",
+    "「",
+    "」",
+    "︰",
+    "『",
+    "』",
+    "《",
+    "》",
+]
+
+
+class Code(Enum):
+    match = 1
+    substitution = 2
+    insertion = 3
+    deletion = 4
+
+
+class WordError(object):
+    def __init__(self):
+        self.errors = {
+            Code.substitution: 0,
+            Code.insertion: 0,
+            Code.deletion: 0,
+        }
+        self.ref_words = 0
+
+    def get_wer(self):
+        assert self.ref_words != 0
+        errors = (
+                self.errors[Code.substitution]
+                + self.errors[Code.insertion]
+                + self.errors[Code.deletion]
+        )
+        return 100.0 * errors / self.ref_words
+
+    def get_result_string(self):
+        return (
+            f"error_rate={self.get_wer():.4f}, "
+            f"ref_words={self.ref_words}, "
+            f"subs={self.errors[Code.substitution]}, "
+            f"ins={self.errors[Code.insertion]}, "
+            f"dels={self.errors[Code.deletion]}"
+        )
+
+
+
+def characterize(string):
+    res = []
+    i = 0
+    while i < len(string):
+        char = string[i]
+        if char in puncts:
+            i += 1
+            continue
+        cat1 = unicodedata.category(char)
+        # https://unicodebook.readthedocs.io/unicode.html#unicode-categories
+        if cat1 == "Zs" or cat1 == "Cn" or char in spacelist:  # space or not assigned
+            i += 1
+            continue
+        if cat1 == "Lo":  # letter-other
+            res.append(char)
+            i += 1
+        else:
+            # some input looks like: <unk><noise>, we want to separate it to two words.
+            sep = " "
+            if char == "<":
+                sep = ">"
+            j = i + 1
+            while j < len(string):
+                c = string[j]
+                if ord(c) >= 128 or (c in spacelist) or (c == sep):
+                    break
+                j += 1
+            if j < len(string) and string[j] == ">":
+                j += 1
+            res.append(string[i:j])
+            i = j
+    return res
+
+
+def stripoff_tags(x):
+    if not x:
+        return ""
+    chars = []
+    i = 0
+    T = len(x)
+    while i < T:
+        if x[i] == "<":
+            while i < T and x[i] != ">":
+                i += 1
+            i += 1
+        else:
+            chars.append(x[i])
+            i += 1
+    return "".join(chars)
+
+
+def normalize(sentence, ignore_words, cs, split=None):
+    """sentence, ignore_words are both in unicode"""
+    new_sentence = []
+    for token in sentence:
+        x = token
+        if not cs:
+            x = x.upper()
+        if x in ignore_words:
+            continue
+        if remove_tag:
+            x = stripoff_tags(x)
+        if not x:
+            continue
+        if split and x in split:
+            new_sentence += split[x]
+        else:
+            new_sentence.append(x)
+    return new_sentence
+
+
+class Calculator:
+    def __init__(self):
+        self.data = {}
+        self.space = []
+        self.cost = {}
+        self.cost["cor"] = 0
+        self.cost["sub"] = 1
+        self.cost["del"] = 1
+        self.cost["ins"] = 1
+
+    def calculate(self, lab, rec):
+        # Initialization
+        lab.insert(0, "")
+        rec.insert(0, "")
+        while len(self.space) < len(lab):
+            self.space.append([])
+        for row in self.space:
+            for element in row:
+                element["dist"] = 0
+                element["error"] = "non"
+            while len(row) < len(rec):
+                row.append({"dist": 0, "error": "non"})
+        for i in range(len(lab)):
+            self.space[i][0]["dist"] = i
+            self.space[i][0]["error"] = "del"
+        for j in range(len(rec)):
+            self.space[0][j]["dist"] = j
+            self.space[0][j]["error"] = "ins"
+        self.space[0][0]["error"] = "non"
+        for token in lab:
+            if token not in self.data and len(token) > 0:
+                self.data[token] = {"all": 0, "cor": 0, "sub": 0, "ins": 0, "del": 0}
+        for token in rec:
+            if token not in self.data and len(token) > 0:
+                self.data[token] = {"all": 0, "cor": 0, "sub": 0, "ins": 0, "del": 0}
+        # Computing edit distance
+        for i, lab_token in enumerate(lab):
+            for j, rec_token in enumerate(rec):
+                # i lab j rec
+                if i == 0 or j == 0:
+                    continue
+                min_dist = sys.maxsize
+                min_error = "none"
+                dist = self.space[i - 1][j]["dist"] + self.cost["del"]
+                error = "del"
+                if dist < min_dist:
+                    min_dist = dist
+                    min_error = error
+                dist = self.space[i][j - 1]["dist"] + self.cost["ins"]
+                error = "ins"
+                if dist < min_dist:
+                    min_dist = dist
+                    min_error = error
+                if lab_token == rec_token.replace("<BIAS>", ""):
+                    dist = self.space[i - 1][j - 1]["dist"] + self.cost["cor"]
+                    error = "cor"
+                else:
+                    dist = self.space[i - 1][j - 1]["dist"] + self.cost["sub"]
+                    error = "sub"
+                if dist < min_dist:
+                    min_dist = dist
+                    min_error = error
+                self.space[i][j]["dist"] = min_dist
+                self.space[i][j]["error"] = min_error
+        # Tracing back
+        result = {
+            "lab": [],
+            "rec": [],
+            "code": [],
+            "all": 0,
+            "cor": 0,
+            "sub": 0,
+            "ins": 0,
+            "del": 0,
+        }
+        i = len(lab) - 1
+        j = len(rec) - 1
+        while True:
+            if self.space[i][j]["error"] == "cor":  # correct
+                if len(lab[i]) > 0:
+                    self.data[lab[i]]["all"] = self.data[lab[i]]["all"] + 1
+                    self.data[lab[i]]["cor"] = self.data[lab[i]]["cor"] + 1
+                    result["all"] = result["all"] + 1
+                    result["cor"] = result["cor"] + 1
+                result["lab"].insert(0, lab[i])
+                result["rec"].insert(0, rec[j])
+                result["code"].insert(0, Code.match)
+                i = i - 1
+                j = j - 1
+            elif self.space[i][j]["error"] == "sub":  # substitution
+                if len(lab[i]) > 0:
+                    self.data[lab[i]]["all"] = self.data[lab[i]]["all"] + 1
+                    self.data[lab[i]]["sub"] = self.data[lab[i]]["sub"] + 1
+                    result["all"] = result["all"] + 1
+                    result["sub"] = result["sub"] + 1
+                result["lab"].insert(0, lab[i])
+                result["rec"].insert(0, rec[j])
+                result["code"].insert(0, Code.substitution)
+                i = i - 1
+                j = j - 1
+            elif self.space[i][j]["error"] == "del":  # deletion
+                if len(lab[i]) > 0:
+                    self.data[lab[i]]["all"] = self.data[lab[i]]["all"] + 1
+                    self.data[lab[i]]["del"] = self.data[lab[i]]["del"] + 1
+                    result["all"] = result["all"] + 1
+                    result["del"] = result["del"] + 1
+                result["lab"].insert(0, lab[i])
+                result["rec"].insert(0, "")
+                result["code"].insert(0, Code.deletion)
+                i = i - 1
+            elif self.space[i][j]["error"] == "ins":  # insertion
+                if len(rec[j]) > 0:
+                    self.data[rec[j]]["ins"] = self.data[rec[j]]["ins"] + 1
+                    result["ins"] = result["ins"] + 1
+                result["lab"].insert(0, "")
+                result["rec"].insert(0, rec[j])
+                result["code"].insert(0, Code.insertion)
+                j = j - 1
+            elif self.space[i][j]["error"] == "non":  # starting point
+                break
+            else:  # shouldn't reach here
+                print(
+                    "this should not happen , i = {i} , j = {j} , error = {error}".format(
+                        i=i, j=j, error=self.space[i][j]["error"]
+                    )
+                )
+        return result
+
+    def overall(self):
+        result = {"all": 0, "cor": 0, "sub": 0, "ins": 0, "del": 0}
+        for token in self.data:
+            result["all"] = result["all"] + self.data[token]["all"]
+            result["cor"] = result["cor"] + self.data[token]["cor"]
+            result["sub"] = result["sub"] + self.data[token]["sub"]
+            result["ins"] = result["ins"] + self.data[token]["ins"]
+            result["del"] = result["del"] + self.data[token]["del"]
+        return result
+
+    def cluster(self, data):
+        result = {"all": 0, "cor": 0, "sub": 0, "ins": 0, "del": 0}
+        for token in data:
+            if token in self.data:
+                result["all"] = result["all"] + self.data[token]["all"]
+                result["cor"] = result["cor"] + self.data[token]["cor"]
+                result["sub"] = result["sub"] + self.data[token]["sub"]
+                result["ins"] = result["ins"] + self.data[token]["ins"]
+                result["del"] = result["del"] + self.data[token]["del"]
+        return result
+
+    def keys(self):
+        return list(self.data.keys())
+
+
+def width(string):
+    return sum(1 + (unicodedata.east_asian_width(c) in "AFW") for c in string)
+
+
+def default_cluster(word):
+    unicode_names = [unicodedata.name(char) for char in word]
+    for i in reversed(range(len(unicode_names))):
+        if unicode_names[i].startswith("DIGIT"):  # 1
+            unicode_names[i] = "Number"  # 'DIGIT'
+        elif unicode_names[i].startswith("CJK UNIFIED IDEOGRAPH") or unicode_names[
+            i
+        ].startswith("CJK COMPATIBILITY IDEOGRAPH"):
+            # 明 / 郎
+            unicode_names[i] = "Mandarin"  # 'CJK IDEOGRAPH'
+        elif unicode_names[i].startswith("LATIN CAPITAL LETTER") or unicode_names[
+            i
+        ].startswith("LATIN SMALL LETTER"):
+            # A / a
+            unicode_names[i] = "English"  # 'LATIN LETTER'
+        elif unicode_names[i].startswith("HIRAGANA LETTER"):  # は こ め
+            unicode_names[i] = "Japanese"  # 'GANA LETTER'
+        elif (
+                unicode_names[i].startswith("AMPERSAND")
+                or unicode_names[i].startswith("APOSTROPHE")
+                or unicode_names[i].startswith("COMMERCIAL AT")
+                or unicode_names[i].startswith("DEGREE CELSIUS")
+                or unicode_names[i].startswith("EQUALS SIGN")
+                or unicode_names[i].startswith("FULL STOP")
+                or unicode_names[i].startswith("HYPHEN-MINUS")
+                or unicode_names[i].startswith("LOW LINE")
+                or unicode_names[i].startswith("NUMBER SIGN")
+                or unicode_names[i].startswith("PLUS SIGN")
+                or unicode_names[i].startswith("SEMICOLON")
+        ):
+            # & / ' / @ / ℃ / = / . / - / _ / # / + / ;
+            del unicode_names[i]
+        else:
+            return "Other"
+    if len(unicode_names) == 0:
+        return "Other"
+    if len(unicode_names) == 1:
+        return unicode_names[0]
+    for i in range(len(unicode_names) - 1):
+        if unicode_names[i] != unicode_names[i + 1]:
+            return "Other"
+    return unicode_names[0]
+
+
+def get_args():
+    parser = argparse.ArgumentParser(description="wer cal")
+    parser.add_argument("--ref", type=str, help="Text input path")
+    parser.add_argument("--ref_ocr", type=str, help="Text input path")
+    parser.add_argument("--ref2session", type=str, default="", help="Text input path")
+    parser.add_argument("--rec_name", type=str, action="append", default=[])
+    parser.add_argument("--rec_file", type=str, action="append", default=[])
+    parser.add_argument("--verbose", type=int, default=1, help="show")
+    parser.add_argument("--char", type=bool, default=True, help="show")
+    args = parser.parse_args()
+    return args
+
+
+def main(args):
+    cluster_file = ""
+    ignore_words = set()
+    tochar = args.char
+    verbose = args.verbose
+    padding_symbol = " "
+    case_sensitive = False
+    max_words_per_line = sys.maxsize
+    split = None
+
+    if not case_sensitive:
+        ig = set([w.upper() for w in ignore_words])
+        ignore_words = ig
+
+    default_clusters = {}
+    default_words = {}
+    ref_file = args.ref
+    ref_ocr = args.ref_ocr
+    rec_files = args.rec_file
+    rec_names = args.rec_name
+    assert len(rec_files) == len(rec_names)
+
+    # load ocr
+    ref_ocr_dict = {}
+    with codecs.open(ref_ocr, "r", "utf-8") as fh:
+        for line in fh:
+            if "$" in line:
+                line = line.replace("$", " ")
+            if tochar: #
+                array = characterize(line)
+            else:
+                array = line.strip().split()
+            if len(array) == 0:
+                continue
+            fid = array[0]
+            ref_ocr_dict[fid] = normalize(array[1:], ignore_words, case_sensitive, split)
+
+    if split and not case_sensitive: #x
+        newsplit = dict()
+        for w in split:
+            words = split[w]
+            for i in range(len(words)):
+                words[i] = words[i].upper()
+            newsplit[w.upper()] = words
+        split = newsplit
+
+    utt2session = None
+
+    if args.ref2session != "":
+        utt2session = dict()
+        with codecs.open(args.ref2session, "r", "utf-8") as fh:
+            for line in fh:
+                uttid, session = line.strip().split()
+                utt2session[uttid] = session
+
+    rec_sets = {}
+    calculators_dict = dict()
+    ub_wer_dict = dict()
+    hotwords_related_dict = dict()  # 记录recall相关的内容
+    multirec_session_result = None
+    if args.ref2session != "": multirec_session_result = dict()
+    for i, hyp_file in enumerate(rec_files):
+        rec_sets[rec_names[i]] = dict()
+        with codecs.open(hyp_file, "r", "utf-8") as fh:
+            for line in fh:
+                if tochar:
+                    array = characterize(line)
+                else:
+                    array = line.strip().split()
+                if len(array) == 0:
+                    continue
+                fid = array[0]
+                rec_sets[rec_names[i]][fid] = normalize(array[1:], ignore_words, case_sensitive, split)
+
+        calculators_dict[rec_names[i]] = Calculator()
+        ub_wer_dict[rec_names[i]] = {"u_wer": WordError(), "b_wer": WordError(), "wer": WordError()}
+        multirec_session_result[rec_names[i]] = dict()
+        hotwords_related_dict[rec_names[i]] = {'tp': 0, 'tn': 0, 'fp': 0, 'fn': 0}
+        # tp: 热词在label里，同时在rec里
+        # tn: 热词不在label里，同时不在rec里
+        # fp: 热词不在label里，但是在rec里
+        # fn: 热词在label里，但是不在rec里
+
+    # record wrong label but in ocr
+    wrong_rec_but_in_ocr_dict = {}
+    for rec_name in rec_names:
+        wrong_rec_but_in_ocr_dict[rec_name] = 0
+
+    _file_total_len = 0
+    with os.popen("cat {} | wc -l".format(ref_file)) as pipe:
+        _file_total_len = int(pipe.read().strip())
+
+    # compute error rate on the interaction of reference file and hyp file
+    for line in tqdm(open(ref_file, 'r', encoding='utf-8'), total=_file_total_len):
+        if tochar:
+            array = characterize(line)
+        else:
+            array = line.rstrip('\n').split()
+        if len(array) == 0: continue
+        fid = array[0]
+        lab = normalize(array[1:], ignore_words, case_sensitive, split)
+
+        if verbose:
+            print('\nutt: %s' % fid)
+
+        ocr_text = ref_ocr_dict[fid]
+        ocr_set = set(ocr_text)
+        print('ocr: {}'.format(" ".join(ocr_text)))
+        list_match = []  # 指label里面在ocr里面的内容
+        list_not_mathch = []
+        tmp_error = 0
+        tmp_match = 0
+        for index in range(len(lab)):
+            # text_list.append(uttlist[index+1])
+            if lab[index] not in ocr_set:
+                tmp_error += 1
+                list_not_mathch.append(lab[index])
+            else:
+                tmp_match += 1
+                list_match.append(lab[index])
+        print('label in ocr: {}'.format(" ".join(list_match)))
+
+        # for each reco file
+        base_wrong_ocr_wer = None
+        ocr_wrong_ocr_wer = None
+
+        for rec_name in rec_names:
+            rec_set = rec_sets[rec_name]
+            if fid not in rec_set:
+                continue
+            rec = rec_set[fid]
+
+            # print(rec)
+            for word in rec + lab:
+                if word not in default_words:
+                    default_cluster_name = default_cluster(word)
+                    if default_cluster_name not in default_clusters:
+                        default_clusters[default_cluster_name] = {}
+                    if word not in default_clusters[default_cluster_name]:
+                        default_clusters[default_cluster_name][word] = 1
+                    default_words[word] = default_cluster_name
+
+            result = calculators_dict[rec_name].calculate(lab.copy(), rec.copy())
+            if verbose:
+                if result['all'] != 0:
+                    wer = float(result['ins'] + result['sub'] + result['del']) * 100.0 / result['all']
+                else:
+                    wer = 0.0
+            print('WER(%s): %4.2f %%' % (rec_name, wer), end=' ')
+            print('N=%d C=%d S=%d D=%d I=%d' %
+                  (result['all'], result['cor'], result['sub'], result['del'], result['ins']))
+
+            if utt2session is not None:
+                session_result = multirec_session_result[rec_name]
+                session = utt2session[fid]
+                if session not in session_result:
+                    session_result[session] = {'lab': [], 'rec': [], 'all': 0, 'cor': 0, 'sub': 0, 'ins': 0, 'del': 0}
+
+                session_result[session]['all'] = result['all'] + session_result[session]['all']
+                session_result[session]['cor'] = result['cor'] + session_result[session]['cor']
+                session_result[session]['sub'] = result['sub'] + session_result[session]['sub']
+                session_result[session]['ins'] = result['ins'] + session_result[session]['ins']
+                session_result[session]['del'] = result['del'] + session_result[session]['del']
+
+            # print(result['rec'])
+            wrong_rec_but_in_ocr = []
+            for idx in range(len(result['lab'])):
+                if result['lab'][idx] != "":
+                    if result['lab'][idx] != result['rec'][idx].replace("<BIAS>", ""):
+                        if result['lab'][idx] in list_match:
+                            wrong_rec_but_in_ocr.append(result['lab'][idx])
+                            wrong_rec_but_in_ocr_dict[rec_name] += 1
+            print('wrong_rec_but_in_ocr: {}'.format(" ".join(wrong_rec_but_in_ocr)))
+
+            if rec_name == "base":
+                base_wrong_ocr_wer = len(wrong_rec_but_in_ocr)
+            if "ocr" in rec_name or "hot" in rec_name:
+                ocr_wrong_ocr_wer = len(wrong_rec_but_in_ocr)
+                if ocr_wrong_ocr_wer < base_wrong_ocr_wer:
+                    print("{} {} helps, {} -> {}".format(fid, rec_name, base_wrong_ocr_wer, ocr_wrong_ocr_wer))
+                elif ocr_wrong_ocr_wer > base_wrong_ocr_wer:
+                    print("{} {} hurts, {} -> {}".format(fid, rec_name, base_wrong_ocr_wer, ocr_wrong_ocr_wer))
+
+            # recall = 0
+            # false_alarm = 0
+            # for idx in range(len(result['lab'])):
+            #     if "<BIAS>" in result['rec'][idx]:
+            #         if result['rec'][idx].replace("<BIAS>", "") in list_match:
+            #             recall += 1
+            #         else:
+            #             false_alarm += 1
+            # print("bias hotwords recall: {}, fa: {}, list_match {}, recall: {:.2f}, fa: {:.2f}".format(
+            #     recall, false_alarm, len(list_match), recall / len(list_match) if len(list_match) != 0 else 0, false_alarm / len(list_match) if len(list_match) != 0 else 0
+            # ))
+            # tp: 热词在label里，同时在rec里
+            # tn: 热词不在label里，同时不在rec里
+            # fp: 热词不在label里，但是在rec里
+            # fn: 热词在label里，但是不在rec里
+            _rec_list = [word.replace("<BIAS>", "") for word in rec]
+            _label_list = [word for word in lab]
+            _tp = _tn = _fp = _fn = 0
+            hot_true_list = set([hotword for hotword in ocr_text if hotword in _label_list])
+            hot_bad_list = set([hotword for hotword in ocr_text if hotword not in _label_list])
+            for badhotword in hot_bad_list:
+                count = len([word for word in _rec_list if word == badhotword])
+                # print(f"bad {badhotword} count: {count}")
+                # for word in _rec_list:
+                #     if badhotword == word:
+                #         count += 1
+                if count == 0:
+                    hotwords_related_dict[rec_name]['tn'] += 1
+                    _tn += 1
+                    # fp: 0
+                else:
+                    hotwords_related_dict[rec_name]['fp'] += count
+                    _fp += count
+                    # tn: 0
+                # if badhotword in _rec_list:
+                #     hotwords_related_dict[rec_name]['fp'] += 1
+                # else:
+                #     hotwords_related_dict[rec_name]['tn'] += 1
+            for hotword in hot_true_list:
+                true_count = len([word for word in _label_list if hotword == word])
+                rec_count = len([word for word in _rec_list if hotword == word])
+                # print(f"good {hotword} true_count: {true_count}, rec_count: {rec_count}")
+                if rec_count == true_count:
+                    hotwords_related_dict[rec_name]['tp'] += true_count
+                    _tp += true_count
+                elif rec_count > true_count:
+                    hotwords_related_dict[rec_name]['tp'] += true_count
+                    # fp: 不在label里，但是在rec里
+                    hotwords_related_dict[rec_name]['fp'] += rec_count - true_count
+                    _tp += true_count
+                    _fp += rec_count - true_count
+                else:
+                    hotwords_related_dict[rec_name]['tp'] += rec_count
+                    # fn: 热词在label里，但是不在rec里
+                    hotwords_related_dict[rec_name]['fn'] += true_count - rec_count
+                    _tp += rec_count
+                    _fn += true_count - rec_count
+            print("hotword: tp: {}, tn: {}, fp: {}, fn: {}, all: {}, recall: {:.2f}%".format(
+                _tp, _tn, _fp, _fn, sum([_tp, _tn, _fp, _fn]), _tp / (_tp + _fn) * 100 if (_tp + _fn) != 0 else 0
+            ))
+
+            # if hotword in _rec_list:
+            #     hotwords_related_dict[rec_name]['tp'] += 1
+            # else:
+            #     hotwords_related_dict[rec_name]['fn'] += 1
+            # 计算uwer, bwer, wer
+            for code, rec_word, lab_word in zip(result["code"], result["rec"], result["lab"]):
+                if code == Code.match:
+                    ub_wer_dict[rec_name]["wer"].ref_words += 1
+                    if lab_word in hot_true_list:
+                        # tmp_ref.append(ref_tokens[ref_idx])
+                        ub_wer_dict[rec_name]["b_wer"].ref_words += 1
+                    else:
+                        ub_wer_dict[rec_name]["u_wer"].ref_words += 1
+                elif code == Code.substitution:
+                    ub_wer_dict[rec_name]["wer"].ref_words += 1
+                    ub_wer_dict[rec_name]["wer"].errors[Code.substitution] += 1
+                    if lab_word in hot_true_list:
+                        # tmp_ref.append(ref_tokens[ref_idx])
+                        ub_wer_dict[rec_name]["b_wer"].ref_words += 1
+                        ub_wer_dict[rec_name]["b_wer"].errors[Code.substitution] += 1
+                    else:
+                        ub_wer_dict[rec_name]["u_wer"].ref_words += 1
+                        ub_wer_dict[rec_name]["u_wer"].errors[Code.substitution] += 1
+                elif code == Code.deletion:
+                    ub_wer_dict[rec_name]["wer"].ref_words += 1
+                    ub_wer_dict[rec_name]["wer"].errors[Code.deletion] += 1
+                    if lab_word in hot_true_list:
+                        # tmp_ref.append(ref_tokens[ref_idx])
+                        ub_wer_dict[rec_name]["b_wer"].ref_words += 1
+                        ub_wer_dict[rec_name]["b_wer"].errors[Code.deletion] += 1
+                    else:
+                        ub_wer_dict[rec_name]["u_wer"].ref_words += 1
+                        ub_wer_dict[rec_name]["u_wer"].errors[Code.deletion] += 1
+                elif code == Code.insertion:
+                    ub_wer_dict[rec_name]["wer"].errors[Code.insertion] += 1
+                    if rec_word in hot_true_list:
+                        ub_wer_dict[rec_name]["b_wer"].errors[Code.insertion] += 1
+                    else:
+                        ub_wer_dict[rec_name]["u_wer"].errors[Code.insertion] += 1
+
+            space = {}
+            space['lab'] = []
+            space['rec'] = []
+            for idx in range(len(result['lab'])):
+                len_lab = width(result['lab'][idx])
+                len_rec = width(result['rec'][idx])
+                length = max(len_lab, len_rec)
+                space['lab'].append(length - len_lab)
+                space['rec'].append(length - len_rec)
+            upper_lab = len(result['lab'])
+            upper_rec = len(result['rec'])
+            lab1, rec1 = 0, 0
+            while lab1 < upper_lab or rec1 < upper_rec:
+                if verbose > 1:
+                    print('lab(%s):' % fid.encode('utf-8'), end=' ')
+                else:
+                    print('lab:', end=' ')
+                lab2 = min(upper_lab, lab1 + max_words_per_line)
+                for idx in range(lab1, lab2):
+                    token = result['lab'][idx]
+                    print('{token}'.format(token=token), end='')
+                    for n in range(space['lab'][idx]):
+                        print(padding_symbol, end='')
+                    print(' ', end='')
+                print()
+                if verbose > 1:
+                    print('rec(%s):' % fid.encode('utf-8'), end=' ')
+                else:
+                    print('rec:', end=' ')
+
+                rec2 = min(upper_rec, rec1 + max_words_per_line)
+                for idx in range(rec1, rec2):
+                    token = result['rec'][idx]
+                    print('{token}'.format(token=token), end='')
+                    for n in range(space['rec'][idx]):
+                        print(padding_symbol, end='')
+                    print(' ', end='')
+                print()
+                # print('\n', end='\n')
+                lab1 = lab2
+                rec1 = rec2
+        print('\n', end='\n')
+        # break
+    if verbose:
+        print('===========================================================================')
+        print()
+
+    # print(zip(multirec_session_result))
+    session_results_zip = dict()
+    for rec_name, session_result in multirec_session_result.items():
+        for session, result in session_result.items():
+            if session not in session_results_zip.keys():
+                session_results_zip[session] = []
+            session_results_zip[session].append((rec_name, result))
+            # if result['all'] != 0 :
+            #     wer = float(result['ins'] + result['sub'] + result['del']) * 100.0 / result['all']
+            # else :
+            #     wer = 0.0
+            # print('{} {} -> {:4.2f} %'.format(rec_name, session, wer), end = ' ')
+            # print('N=%d C=%d S=%d D=%d I=%d' %
+            #     (result['all'], result['cor'], result['sub'], result['del'], result['ins']))
+    for session, result_list in session_results_zip.items():
+        for rec_name, result in result_list:
+            if result['all'] != 0:
+                wer = float(result['ins'] + result['sub'] + result['del']) * 100.0 / result['all']
+            else:
+                wer = 0.0
+            print('{} {} -> {:4.2f} %'.format(rec_name, session, wer), end=' ')
+            print('N=%d C=%d S=%d D=%d I=%d' %
+                  (result['all'], result['cor'], result['sub'], result['del'], result['ins']))
+        print()
+
+    if verbose:
+        print('===========================================================================')
+        print()
+
+    print(wrong_rec_but_in_ocr_dict)
+    for rec_name in rec_names:
+        result = calculators_dict[rec_name].overall()
+
+        if result['all'] != 0:
+            wer = float(result['ins'] + result['sub'] + result['del']) * 100.0 / result['all']
+        else:
+            wer = 0.0
+        print('{} Overall -> {:4.2f} %'.format(rec_name, wer), end=' ')
+        print('N=%d C=%d S=%d D=%d I=%d' %
+              (result['all'], result['cor'], result['sub'], result['del'], result['ins']))
+        print(f"WER: {ub_wer_dict[rec_name]['wer'].get_result_string()}")
+        print(f"U-WER: {ub_wer_dict[rec_name]['u_wer'].get_result_string()}")
+        print(f"B-WER: {ub_wer_dict[rec_name]['b_wer'].get_result_string()}")
+
+        recall =  hotwords_related_dict[rec_name]['tp'] / (
+                    hotwords_related_dict[rec_name]['tp'] + hotwords_related_dict[rec_name]['fn']
+            ) * 100 if hotwords_related_dict[rec_name]['tp'] + hotwords_related_dict[rec_name]['fn'] != 0 else 0
+        print('hotword: tp: {}, tn: {}, fp: {}, fn: {}, all: {}, recall: {:.2f}%'.format(
+            hotwords_related_dict[rec_name]['tp'],
+            hotwords_related_dict[rec_name]['tn'],
+            hotwords_related_dict[rec_name]['fp'],
+            hotwords_related_dict[rec_name]['fn'],
+            sum([v for k, v in hotwords_related_dict[rec_name].items()]),
+            recall
+        ))
+
+        print()
+        print("{:.3f}; {:.3f}; {:.3f}; {:.2f}%".format(ub_wer_dict[rec_name]['wer'].get_wer(), ub_wer_dict[rec_name]['u_wer'].get_wer(), ub_wer_dict[rec_name]['b_wer'].get_wer(), recall))
+
+        # tp: 热词在label里，同时在rec里
+        # tn: 热词不在label里，同时不在rec里
+        # fp: 热词不在label里，但是在rec里
+        # fn: 热词在label里，但是不在rec里
+        if not verbose:
+            print()
+        print()
+    # print(session_results_zip)
+
+
+if __name__ == "__main__":
+    args = get_args()
+    # print("")
+    print(args)
+    main(args)
diff --git a/examples/mala_asr_slidespeech/utils/run_L95_test.sh b/examples/mala_asr_slidespeech/utils/run_L95_test.sh
new file mode 100644
index 00000000..26817d83
--- /dev/null
+++ b/examples/mala_asr_slidespeech/utils/run_L95_test.sh
@@ -0,0 +1,14 @@
+export CUDA_VISIBLE_DEVICES=0
+
+mkdir -p /nfs/yangguanrou.ygr/slidespeech/for_pr/slides-finetune-wavlm/asr/3840/test/
+python /nfs/yangguanrou.ygr/slidespeech/compute_wer_details/compute_wer_details.py --v 1 \
+--ref /nfs/yangguanrou.ygr/experiments_slides_wavlm/slides-finetune-wavlm/asr/3840/paper/decode_log_test_clean_beam4_repetition_penalty1_gt.proc \
+--ref_ocr /nfs/yangguanrou.ygr/slidespeech/test_oracle_v1/hot_related/ocr_1gram_top50_mmr070_hotwords_list \
+--ref2session /nfs/yangguanrou.ygr/slidespeech/test_oracle_v1/utt2spk \
+--rec_name base \
+--rec_name hot \
+--rec_file /nfs/yangguanrou.ygr/experiments_slides_wavlm/slides-finetune-wavlm_notext/asr/1760/decode_log_test_clean_beam4_repetition_penalty1_pred.proc \
+--rec_file /nfs/yangguanrou.ygr/experiments_slides_wavlm/slides-finetune-wavlm/asr/3840/paper/decode_log_test_clean_beam4_repetition_penalty1_pred.proc \
+> /nfs/yangguanrou.ygr/slidespeech/for_pr/slides-finetune-wavlm/asr/3840/test/metric.log
+
+#-m debugpy --listen 5678 --wait-for-client